.MaiZi-icon {
  background-color: #32cda9;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  line-height: 40px;
  text-align: center;
  margin-right: 20px;
}
/* 导航 */
.navbar-default {
  background-color: #fff;
  border:none;
  box-shadow: 0px 2px 8px 0px rgba(50,50,50,0.25)
}
.navbar-default .navbar-brand {
  font-size: 30px;
  font-weight: bold;
  color :#40D2B1;
  height: 70px;
  line-height: 35px;
}
.navbar-default .navbar-nav > li > a {
  font-size: 16px;
  font-weight: bold;
  color :#666;
  height: 70px;
  line-height: 35px;
}
.navbar-toggle {
  margin-top:16px;
}
.navbar-default .navbar-toggle:hover {
  border-color: #40D2B1;
  background-color: #16d5aa;
}
.navbar-default .navbar-toggle .icon-bar {
  background-color: #087256;
}
/* home */
#home {
  margin-top: 70px;
  background: url('../images/home-bg.jpg');
  width: 100%;
  background-size: cover;
  color: #fff;
  text-align: center;
}
#lvjing {
  width: 100%;
  height: 100%;
  padding: 90px 0;
  background: rgba(0, 0, 0, 0.5)
}
#home h1 {
  font-weight: bold;
  margin-top: 0;
  margin-bottom: 25px;
}
#home img {
  display: inline-block;
  margin-top:30px;
}
/* bbs */
#bbs {
  padding: 80px 0;
  text-align: center;
}
#bbs .col-md-4{
  padding: 16px;
}
#bbs .col-md-4:hover{
  padding: 16px;
  background-color: #f1f1f1;
  box-shadow: 1px 1px 4px #ccc;
}
#bbs a {
  text-decoration: none;
  color:#212121;
}
#bbs img {
  margin: 0 auto;
}
#bbs h3 {
  font-weight: bold;
}
/* html5+bootstrap */
#html5, 
#bootstrap {
  background-color: #f8f8f8;
  padding: 80px 0;
}
#html5 h2, 
#bootstrap h2 {
  font-weight: bold;
}
#html5 p,
#bootstrap p {
  line-height: 25px;
}
/* course */
#course {
  background-color: #f8f8f8;
  padding: 80px 0;
  text-align: center;
}
#course h2{
  font-weight: bold;
  padding-bottom: 60px;
}
#course .col-md-3 {
  margin-top: 25px;
}
.course {
  background: #fff;
}
.course .btn {
  background-color: transparent;
  border:1px solid #40D2B1;
  border-radius: 0px;
  color:#40D2B1;
  margin-top: 20px;
  margin-bottom: 30px;
  padding: 8px 40px;
  transition: all 0.3s;
  text-decoration: none;
}
.course .btn:hover{
  background-color: #40D2B1;
  color: #fff;
}
/* app */
#app {
  padding: 80px 0;
}
#app h2 {
  font-weight: bold;
  padding-bottom: 30px;
}
#app button {
  background: #40D2B1;
  border: none;
  border-radius: 0;
  margin: 10px 0;
  padding: 6px 30px;
  transition: all 0.3s;
}
#app button:hover {
  background: #16705c;
}
/* contact */
#contact {
  background: url('../images/contact-bg.png') no-repeat;
  background-size: cover;
  color:#fff;
}
#contact h2 {
  font-weight: bold;
  margin-bottom: 20px;
  margin-top: 0;
}
#contact p {
  line-height: 25px;
  margin-bottom: 20px;
}
#contact .form-control {
  border-radius: 0;
  border: none;
  height: 50px;
  margin-bottom: 20px;
}
#contact textarea.form-control {
  height: auto;
  resize:none;
}
#contact input[type=submit]{
  background-color: #40D2B1;
  color: #fff;
  font-weight: bold;
  transition: all 0.3s;
}
#contact input[type=submit]:hover {
  background: #16705c;
}
#footer {
  text-align: center;
  font-weight: 400;
  padding: 20px;
}